package IO;

import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;

public class CopyDemo {
    public static void main(String[] args) throws IOException {
        FileInputStream fis=new FileInputStream("./src/R-C.jpeg");
        FileOutputStream fos=new FileOutputStream("R-C-copy.jpeg");
        long start=System.currentTimeMillis();
        int d;
        while ((d=fis.read())!=-1){
            fos.write(d);
        }
        long end=System.currentTimeMillis();
        System.out.println("复制完毕，用时："+(end-start)+"ms");
        fis.close();
        fos.close();
    }
}
